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authorJagannathan Raman <jag.raman@oracle.com>2021-01-29 11:46:04 -0500
committerStefan Hajnoczi <stefanha@redhat.com>2021-02-09 20:53:56 +0000
commit44a4ff31c01082ffce08ec3b9a87a4fdf15919d5 (patch)
tree12d221ae0ba47bf3a853248b3b42bae208a07c6b /util/oslib-posix.c
parent639090d85057e7e8251e2509fa136f1a2384f131 (diff)
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memory: alloc RAM from file at offset
Allow RAM MemoryRegion to be created from an offset in a file, instead of allocating at offset of 0 by default. This is needed to synchronize RAM between QEMU & remote process. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Signed-off-by: John G Johnson <john.g.johnson@oracle.com> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 609996697ad8617e3b01df38accc5c208c24d74e.1611938319.git.jag.raman@oracle.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'util/oslib-posix.c')
-rw-r--r--util/oslib-posix.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index bf57d3b..36820fe 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -230,7 +230,7 @@ void *qemu_memalign(size_t alignment, size_t size)
void *qemu_anon_ram_alloc(size_t size, uint64_t *alignment, bool shared)
{
size_t align = QEMU_VMALLOC_ALIGN;
- void *ptr = qemu_ram_mmap(-1, size, align, false, shared, false);
+ void *ptr = qemu_ram_mmap(-1, size, align, false, shared, false, 0);
if (ptr == MAP_FAILED) {
return NULL;